diff --git a/compiler/tests/org/jetbrains/jet/jvm/compiler/NamespaceComparator.java b/compiler/tests/org/jetbrains/jet/jvm/compiler/NamespaceComparator.java
index 232c7ec4f7e..7b25a85323d 100644
--- a/compiler/tests/org/jetbrains/jet/jvm/compiler/NamespaceComparator.java
+++ b/compiler/tests/org/jetbrains/jet/jvm/compiler/NamespaceComparator.java
@@ -71,7 +71,7 @@ public class NamespaceComparator {
             @NotNull Predicate<NamespaceDescriptor> includeIntoOutput,
             @NotNull File txtFile
     ) {
-        String serialized = new NamespaceComparator(includeObject, includeIntoOutput).doCompareNamespaces(nsa, nsb);
+        String serialized = assertNamespacesEqual(nsa, nsb, includeObject, includeIntoOutput);
         try {
             if (!txtFile.exists()) {
                 FileUtil.writeToFile(txtFile, serialized);
@@ -87,6 +87,13 @@ public class NamespaceComparator {
         }
     }
 
+    public static String assertNamespacesEqual(NamespaceDescriptor nsa,
+            NamespaceDescriptor nsb,
+            boolean includeObject,
+            Predicate<NamespaceDescriptor> includeIntoOutput) {
+        return new NamespaceComparator(includeObject, includeIntoOutput).doCompareNamespaces(nsa, nsb);
+    }
+
     private static <T extends Comparable<T>> List<T> sorted(Collection<T> items) {
         List<T> r = new ArrayList<T>(items);
         Collections.sort(r);
diff --git a/compiler/tests/org/jetbrains/jet/lang/resolve/lazy/LazyResolveStdlibLoadingTest.java b/compiler/tests/org/jetbrains/jet/lang/resolve/lazy/LazyResolveStdlibLoadingTest.java
index 61461ef2cb6..c39ec76d834 100644
--- a/compiler/tests/org/jetbrains/jet/lang/resolve/lazy/LazyResolveStdlibLoadingTest.java
+++ b/compiler/tests/org/jetbrains/jet/lang/resolve/lazy/LazyResolveStdlibLoadingTest.java
@@ -53,16 +53,15 @@ public class LazyResolveStdlibLoadingTest extends AbstractLazyResolveTest {
             Function<Pair<ModuleDescriptor, ModuleDescriptor>, Pair<NamespaceDescriptor, NamespaceDescriptor>> transform,
             boolean includeMembersOfObject,
             List<JetFile> files,
-            Predicate<NamespaceDescriptor> filterJetNamespace,
-            File serializeResultsTo
+            Predicate<NamespaceDescriptor> filterJetNamespace
     ) {
         ModuleDescriptor module = resolveEagerly(files, new JetCoreEnvironmentWithDisposable(ConfigurationKind.JDK_AND_ANNOTATIONS, false).jetCoreEnvironment);
         ModuleDescriptor lazyModule = resolveLazily(files, stdlibEnvironment.jetCoreEnvironment);
 
         Pair<NamespaceDescriptor, NamespaceDescriptor> namespacesToCompare = transform.fun(Pair.create(module, lazyModule));
 
-        NamespaceComparator.compareNamespaces(namespacesToCompare.first, namespacesToCompare.second,
-                                              includeMembersOfObject, filterJetNamespace, serializeResultsTo);
+        NamespaceComparator.assertNamespacesEqual(namespacesToCompare.first, namespacesToCompare.second,
+                                              includeMembersOfObject, filterJetNamespace);
     }
 
     public void testStdLib() throws Exception {
@@ -76,14 +75,14 @@ public class LazyResolveStdlibLoadingTest extends AbstractLazyResolveTest {
                 true,
                 //convertToJetFiles(collectKtFiles(new File("compiler/testData/lazyResolve/namespaceComparatorWithJavaMerge"))),
                 convertToJetFiles(collectKtFiles(STD_LIB_SRC)),
-                Predicates.<NamespaceDescriptor>alwaysTrue(),
+                Predicates.<NamespaceDescriptor>alwaysTrue()
                 //new Predicate<NamespaceDescriptor>() {
                 //    @Override
                 //    public boolean apply(NamespaceDescriptor descriptor) {
                 //        return Name.identifier("jet").equals(descriptor.getName());
                 //    }
                 //},
-                new File("compiler/testData/lazyResolve/namespaceComparatorWithJavaMerge/stdlib-log.txt")
+                //new File("compiler/testData/lazyResolve/namespaceComparatorWithJavaMerge/stdlib-log.txt")
         );
     }